Home > Shoulder Separation
separation is the partial or complete separation of two
parts of the shoulder: the collarbone (clavicle) and the end of the shoulder
blade (acromion). See a picture of
shoulder separation injuries.
The collarbone and the shoulder blade
(scapula) are connected by the
acromioclavicular (AC) joint, which is held together
primarily by the acromioclavicular (AC) and the coracoclavicular (CC)
ligaments. In a shoulder separation (also called an
acromioclavicular joint injury), these ligaments are partially or completely
torn. A shoulder separation is classified according to how severely these
ligaments are injured:
There are three further classifications, types IV through
VI, which are uncommon. These types of shoulder separations may involve tearing
of the muscle that covers the upper arm and shoulder joint (deltoid muscle) and the one that extends from the back
of the head, neck, and upper back across the back of the shoulder (trapezius muscle).
blow to the top of the shoulder or a fall onto the shoulder, such as
a fall from a bicycle, can cause a shoulder separation.
Signs and symptoms of a
shoulder separation include:
separation is diagnosed through a medical history, a physical exam, and
Your doctor will check:
Your doctor will probably X-ray your injured
shoulder and possibly your uninjured shoulder to help diagnose the severity of
Treatment of a
shoulder separation depends on its severity. For a
type I or II injury, you support your shoulder with a
sling. You typically need the sling until the
discomfort decreases (a few days to a week). Early physical therapy to
strengthen your shoulder and regain range of motion is important for recovery
and to prevent frozen shoulder, a condition that limits shoulder motion (adhesive capsulitis). You can return to normal
exercises and activities as your pain and other symptoms go away.
Experts don't agree on the best treatment for type III injuries. Some doctors treat them with a sling and physical therapy, while others feel
surgery may be needed.
Type IV through VI injuries should be
evaluated for possible surgery.
To help relieve pain, put ice on
the affected area and take
nonsteroidal anti-inflammatory drugs, such as ibuprofen or naproxen. Be safe with medicines. Read and follow all instructions on the label.
Other Works Consulted
American Academy of Orthopaedic Surgeons and American Academy of Pediatrics (2010). Acromioclavicular injuries. In JF Sarwark, ed., Essentials of Musculoskeletal Care, 4th ed., pp. 263-268. Rosemont, IL: American Academy of Orthopaedic Surgeons.
McMahon PJ, et al. (2014). Sports medicine. In HB Skinner, PJ McMahon, eds., Current Diagnosis and Treatment in Orthopedics, 5th ed., pp. 88-155. New York: McGraw-Hill.
ByHealthwise StaffPrimary Medical ReviewerWilliam H. Blahd, Jr., MD, FACEP - Emergency MedicineAdam Husney, MD - Family MedicineSpecialist Medical ReviewerPatrick J. McMahon, MD - Orthopedic Surgery
Current as ofMarch 21, 2017
Current as of:
March 21, 2017
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Adam Husney, MD - Family Medicine & Patrick J. McMahon, MD - Orthopedic Surgery
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